That’s Not a Comet, that’s a Star

17 years ago

If you take a quick look at the photograph with this story you'd think you're looking at a comet. I've…

Ariane 5 Lofts Two Satellites

17 years ago

Two satellites were carried into space Tuesday evening, atop a massive Ariane 5 rocket, which blasted off from Europe's Spaceport…

Damaged Tiles Aren’t a Risk to Endeavour

17 years ago

With a detailed mock up in hand of the damaged region on the shuttle Endeavour's underside, NASA engineers have been…

Enceladus is an Unlikely Home for Life

17 years ago

When Cassini discovered geysers of water ice fountaining off of Saturn's moon Enceladus, it was easy to think: life! Wherever…

Did an Exploding Comet Cause Extinctions 13,000 Years Ago?

17 years ago

Scientists think they might have the solution to a mystery that's been haunting paleontologists for years: what caused an abrupt…

2007 Perseid Meteor Shower Didn’t Disappoint

17 years ago

So, did you heed my advice? Did you set aside Sunday evening to head out with friends and family to…

Hidden Galaxies Ablaze with Star Formation

17 years ago

We have a few pockets of star formation here in the Milky Way. But new galaxies have been discovered, 12…

Phoenix Makes a Course Correction

17 years ago

NASA's Phoenix Mars Lander is right on schedule for its 2008 visit with the Red Planet. But between now and…

What’s Up this Week: August 13 – August 19, 2007

17 years ago

Monday, August 13 - Tonight, begin with just your eyes as you gaze about four fingerwidths above the top of…

Podcast: Mercury

17 years ago

We're still digging through the thousands of comments and suggestions from the listener survey but we hear your requests and…